The Soundblox 2 Dimension Reverb features a compact, durable cast aluminum housing, 2 user presets, and Multi-function in and out jacks compatible with Hot Hand, the Source Audio Dual Expression Pedal, or MIDI*. Use the Hot Hand Motion Sensor or the expression pedal for on-the-fly control over any of the 9 adjustable parameters, or plug in a MIDI controller for external access to presets and parameters.